On Linux/x86_64,
100751c7905d6866540ca243135629994d3fd032 is the first bad commit
commit 100751c7905d6866540ca243135629994d3fd032
Author: Haochen Jiang <[email protected]>
Date: Fri Nov 1 15:59:47 2024 +0800
i386: Do not allow pointer conversion for CMPccXADD intrin under -O0
caused
FAIL: gcc.target/i386/cmpccxadd-1b.c (test for errors, line 13)
FAIL: gcc.target/i386/cmpccxadd-1b.c (test for errors, line 14)
FAIL: gcc.target/i386/cmpccxadd-1b.c (test for excess errors)
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/gcc-13/releases/gcc-13/r13-9162/usr
--enable-clocale=gnu --with-system-zlib --with-demangler-in-ld
--with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl
--enable-libmpx x86_64-linux --disable-bootstrap
To reproduce:
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/cmpccxadd-1b.c
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/cmpccxadd-1b.c
--target_board='unix{-m64\ -march=cascadelake}'"
(Please do not reply to this email, for question about this report, contact me
at haochen dot jiang at intel.com.)
(If you met problems with cascadelake related, disabling AVX512F in command
line might save that.)
(However, please make sure that there is no potential problems with AVX512.)
